return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-185.666484
Energy at 298.15K-185.669883
HF Energy-185.666484
Nuclear repulsion energy72.447880
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3763 3592 63.93      
2 A 3522 3361 11.82      
3 A 1669 1592 134.72      
4 A 1599 1526 122.74      
5 A 1252 1195 117.17      
6 A 1140 1088 45.46      
7 A 740 707 5.56      
8 A 630 601 1.79      
9 A 172 164 245.47      

Unscaled Zero Point Vibrational Energy (zpe) 7243.0 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 6912.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31G**
ABC
2.73415 0.43456 0.37496

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.116 0.220 0.000
N2 -0.143 -0.506 -0.000
N3 1.010 0.146 0.000
H4 1.006 1.162 -0.000
H5 1.852 -0.403 -0.000

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.21412.12702.32143.0329
N21.21411.32442.02521.9977
N32.12701.32441.01561.0059
H42.32142.02521.01561.7794
H53.03291.99771.00591.7794

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.763 N2 N3 H4 119.285
N2 N3 H5 117.370 H4 N3 H5 123.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.361      
2 N 0.157      
3 N -0.391      
4 H 0.286      
5 H 0.309      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.617 0.756 -0.001 3.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.907 0.310 -0.001
y 0.310 -16.276 -0.000
z -0.001 -0.000 -17.267
Traceless
 xyz
x 1.865 0.310 -0.001
y 0.310 -0.189 -0.000
z -0.001 -0.000 -1.676
Polar
3z2-r2-3.352
x2-y21.369
xy0.310
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.241 -0.006 0.000
y -0.006 2.460 0.000
z 0.000 0.000 1.284


<r2> (average value of r2) Å2
<r2> 35.615
(<r2>)1/2 5.968